21265090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27617}}^1$

素因数の和:27642

約数の個数: 32

約数和(自身を含む): 47723904

約数和(自身を除く): 26458814

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27617, 55234, 138085, 193319, 276170, 303787, 386638, 607574, 966595, 1518935, 1933190, 2126509, 3037870, 4253018, 10632545, 21265090]

約数ペア:

[(1, 21265090), (2, 10632545), (5, 4253018), (7, 3037870), (10, 2126509), (11, 1933190), (14, 1518935), (22, 966595), (35, 607574), (55, 386638), (70, 303787), (77, 276170), (110, 193319), (154, 138085), (385, 55234), (770, 27617)]